EnvironmentJune 1, 1922
Utilizing all but the Squeal
A Survey of the By-Products Produced by Our Leading Meat-Packing Plants
Stories by Charles Alma Byers
The SciencesApril 1, 1922
Tons of Silver from Waste Hypo
An Interesting By-Product of the Present-Day Motion-Picture Industry
The SciencesMarch 1, 1922
Spectacles for the Motion-Picture Camera
How the Vision of the Lens Is Modified to Produce Fog Scenes and Other Effects
The SciencesJune 28, 1919
Mud Geysers at Salton Sea, New Lead-Burning Transformer for Storage Battery Work and more
The SciencesJune 7, 1919
Bean Harvesting Attachment for Farm Tractors
The SciencesNovember 20, 1915
Self-Lighting Attachment for Smudge Pots, Transportable Stall Mounted on Motor Truck and more
The SciencesSeptember 25, 1915
Remarkable Collision between an Oil Car and a Steam Locomotive
The SciencesFebruary 27, 1915
Equipping the Automobile for Travel, The Current Supplement and more
The SciencesSeptember 1, 1906
The Thebes Railroad Bridge
The SciencesMay 13, 1905
A Petrified Forest Covering Thousands of Acres
The SciencesAugust 27, 1904
Side - Door Coaches for World's Fair Service
The SciencesApril 16, 1904
Our Flood Warning Service
The SciencesFebruary 13, 1904
The Kansas River Flood
The SciencesSeptember 12, 1903
Elephant Rock and Other Bowlders